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Jeff King c334b87b30 cat-file: split --batch input lines on whitespace 
If we get an input line to --batch or --batch-check that
looks like "HEAD foo bar", we will currently feed the whole
thing to get_sha1(). This means that to use --batch-check
with `rev-list --objects`, one must pre-process the input,
like:

  git rev-list --objects HEAD |
  cut -d' ' -f1 |
  git cat-file --batch-check

Besides being more typing and slightly less efficient to
invoke `cut`, the result loses information: we no longer
know which path each object was found at.

This patch teaches cat-file to split input lines at the
first whitespace. Everything to the left of the whitespace
is considered an object name, and everything to the right is
made available as the %(reset) atom. So you can now do:

  git rev-list --objects HEAD |
  git cat-file --batch-check='%(objectsize) %(rest)'

to collect object sizes at particular paths.

Even if %(rest) is not used, we always do the whitespace
split (which means you can simply eliminate the `cut`
command from the first example above).

This whitespace split is backwards compatible for any
reasonable input. Object names cannot contain spaces, so any
input with spaces would have resulted in a "missing" line.
The only input hurt is if somebody really expected input of
the form "HEAD is a fine-looking ref!" to fail; it will now
parse HEAD, and make "is a fine-looking ref!" available as
%(rest).

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-07-12 09:18:42 -07:00
..
howto The name of the hash function is "SHA-1", not "SHA1" 2013-04-15 11:08:37 -07:00
RelNotes Git 1.8.3 2013-05-24 11:34:46 -07:00
technical Merge branch 'kb/status-ignored-optim-2' 2013-04-23 11:21:23 -07:00
.gitattributes Define the project whitespace policy 2008-02-11 13:23:15 -08:00
.gitignore doc: generate a list of valid merge tools 2013-02-02 21:46:52 -08:00
asciidoc.conf Documentation: avoid poor-man's small caps GIT 2013-02-01 13:53:25 -08:00
blame-options.txt Documentation: the name of the system is 'Git', not 'git' 2013-02-01 13:53:33 -08:00
build-docdep.perl
cat-texi.perl Documentation: Strip texinfo anchors to avoid duplicates 2013-04-03 16:14:19 -07:00
cmd-list.perl Documentation: rename gitlink macro to linkgit 2008-01-06 18:41:44 -08:00
CodingGuidelines CodingGuidelines: Documentation/*.txt are the sources 2013-05-10 12:13:08 -07:00
config.txt Merge branch 'maint' 2013-04-28 14:47:24 -07:00
date-formats.txt
diff-config.txt Merge branch 'mp/diff-algo-config' 2013-02-17 15:25:52 -08:00
diff-format.txt Fix typos in technical documentation. 2010-01-31 10:24:53 -08:00
diff-generate-patch.txt docs: stop using asciidoc no-inline-literal 2012-04-26 13:19:06 -07:00
diff-options.txt Merge branch 'maint-1.8.1' into maint 2013-03-25 13:46:42 -07:00
docbook-xsl.css
docbook.xsl Documentation: set a !DOCTYPE for user manual 2010-08-20 10:53:56 -07:00
everyday.txt Documentation: the name of the system is 'Git', not 'git' 2013-02-01 13:53:33 -08:00
fetch-options.txt fetch: elaborate --depth action 2013-01-11 09:11:10 -08:00
fix-texi.perl
git-add.txt git add: --ignore-removal is a better named --no-all 2013-04-22 13:34:31 -07:00
git-am.txt documentation: trivial style cleanups 2013-05-17 12:09:21 -07:00
git-annotate.txt Documentation: use [verse] for SYNOPSIS sections 2011-07-06 14:26:26 -07:00
git-apply.txt Documentation: the name of the system is 'Git', not 'git' 2013-02-01 13:53:33 -08:00
git-archimport.txt Documentation: the name of the system is 'Git', not 'git' 2013-02-01 13:53:33 -08:00
git-archive.txt documentation: trivial style cleanups 2013-05-17 12:09:21 -07:00
git-bisect-lk2009.txt Documentation: the name of the system is 'Git', not 'git' 2013-02-01 13:53:33 -08:00
git-bisect.txt Merge branch 'mg/bisect-doc' 2013-02-14 10:29:01 -08:00
git-blame.txt Documentation: the name of the system is 'Git', not 'git' 2013-02-01 13:53:33 -08:00
git-branch.txt Merge branch 'nd/branch-error-cases' 2013-02-07 14:41:38 -08:00
git-bundle.txt Documentation: the name of the system is 'Git', not 'git' 2013-02-01 13:53:33 -08:00
git-cat-file.txt cat-file: split --batch input lines on whitespace 2013-07-12 09:18:42 -07:00
git-check-attr.txt Teach '--cached' option to check-attr 2011-09-22 16:38:22 -07:00
git-check-ignore.txt add git-check-ignore sub-command 2013-01-06 14:26:38 -08:00
git-check-ref-format.txt documentation: trivial style cleanups 2013-05-17 12:09:21 -07:00
git-checkout-index.txt
git-checkout.txt checkout: add --ignore-skip-worktree-bits in sparse checkout mode 2013-04-15 08:54:45 -07:00
git-cherry-pick.txt Merge branch 'cw/cherry-pick-allow-empty-message' 2012-09-03 15:53:37 -07:00
git-cherry.txt
git-citool.txt
git-clean.txt Documentation: the name of the system is 'Git', not 'git' 2013-02-01 13:53:33 -08:00
git-clone.txt documentation: trivial style cleanups 2013-05-17 12:09:21 -07:00
git-column.txt
git-commit-tree.txt commit-tree: document -S option consistently 2013-03-25 15:01:22 -07:00
git-commit.txt documentation: trivial style cleanups 2013-05-17 12:09:21 -07:00
git-config.txt documentation: trivial style cleanups 2013-05-17 12:09:21 -07:00
git-count-objects.txt count-objects: add -H option to humanize sizes 2013-04-10 13:27:26 -07:00
git-credential-cache--daemon.txt command-list: mention git-credential-* helpers 2012-08-08 12:11:54 -07:00
git-credential-cache.txt Documentation: the name of the system is 'Git', not 'git' 2013-02-01 13:53:33 -08:00
git-credential-store.txt Documentation: the name of the system is 'Git', not 'git' 2013-02-01 13:53:33 -08:00
git-credential.txt doc: various spelling fixes 2013-04-12 12:00:52 -07:00
git-cvsexportcommit.txt Documentation: the name of the system is 'Git', not 'git' 2013-02-01 13:53:33 -08:00
git-cvsimport.txt Merge branch 'ta/doc-no-small-caps' 2013-02-05 16:13:32 -08:00
git-cvsserver.txt Merge branch 'ta/doc-no-small-caps' 2013-02-05 16:13:32 -08:00
git-daemon.txt documentation: trivial style cleanups 2013-05-17 12:09:21 -07:00
git-describe.txt The name of the hash function is "SHA-1", not "SHA1" 2013-04-15 11:08:37 -07:00
git-diff-files.txt
git-diff-index.txt
git-diff-tree.txt
git-diff.txt Documentation: the name of the system is 'Git', not 'git' 2013-02-01 13:53:33 -08:00
git-difftool.txt documentation: trivial style cleanups 2013-05-17 12:09:21 -07:00
git-fast-export.txt documentation: trivial style cleanups 2013-05-17 12:09:21 -07:00
git-fast-import.txt Merge branch 'jk/maint-fast-import-doc-reorder' into maint 2013-01-14 07:59:46 -08:00
git-fetch-pack.txt documentation: trivial style cleanups 2013-05-17 12:09:21 -07:00
git-fetch.txt Documentation: the name of the system is 'Git', not 'git' 2013-02-01 13:53:33 -08:00
git-filter-branch.txt Merge branch 'maint-1.8.1' into maint 2013-03-25 13:46:42 -07:00
git-fmt-merge-msg.txt documentation: trivial style cleanups 2013-05-17 12:09:21 -07:00
git-for-each-ref.txt git-for-each-ref.txt: 'raw' is a supported date format 2013-01-21 16:26:26 -08:00
git-format-patch.txt format-patch: add format.coverLetter configuration variable 2013-04-07 13:37:47 -07:00
git-fsck-objects.txt
git-fsck.txt documentation: trivial style cleanups 2013-05-17 12:09:21 -07:00
git-gc.txt docs: stop using asciidoc no-inline-literal 2012-04-26 13:19:06 -07:00
git-get-tar-commit-id.txt
git-grep.txt documentation: trivial style cleanups 2013-05-17 12:09:21 -07:00
git-gui.txt Documentation: the name of the system is 'Git', not 'git' 2013-02-01 13:53:33 -08:00
git-hash-object.txt Documentation: the name of the system is 'Git', not 'git' 2013-02-01 13:53:33 -08:00
git-help.txt doc: include --guide option description for "git help" 2013-04-03 07:43:29 -07:00
git-http-backend.txt doc/http-backend: match query-string in apache half-auth example 2013-04-13 22:27:06 -07:00
git-http-fetch.txt Documentation: the name of the system is 'Git', not 'git' 2013-02-01 13:53:33 -08:00
git-http-push.txt Documentation: use [verse] for SYNOPSIS sections 2011-07-06 14:26:26 -07:00
git-imap-send.txt Documentation: use [verse] for SYNOPSIS sections 2011-07-06 14:26:26 -07:00
git-index-pack.txt The name of the hash function is "SHA-1", not "SHA1" 2013-04-15 11:08:37 -07:00
git-init-db.txt Documentation: the name of the system is 'Git', not 'git' 2013-02-01 13:53:33 -08:00
git-init.txt Documentation: the name of the system is 'Git', not 'git' 2013-02-01 13:53:33 -08:00
git-instaweb.txt
git-log.txt git-log.txt: rewrite note on why "--" may be required 2013-04-21 23:10:51 -07:00
git-lost-found.txt Documentation: do not mention .git/refs/* directories 2012-08-06 14:04:16 -07:00
git-ls-files.txt The name of the hash function is "SHA-1", not "SHA1" 2013-04-15 11:08:37 -07:00
git-ls-remote.txt
git-ls-tree.txt doc: drop author/documentation sections from most pages 2011-03-11 10:59:16 -05:00
git-mailinfo.txt documentation: trivial style cleanups 2013-05-17 12:09:21 -07:00
git-mailsplit.txt Documentation: use [verse] for SYNOPSIS sections 2011-07-06 14:26:26 -07:00
git-merge-base.txt
git-merge-file.txt
git-merge-index.txt The name of the hash function is "SHA-1", not "SHA1" 2013-04-15 11:08:37 -07:00
git-merge-one-file.txt
git-merge-tree.txt
git-merge.txt documentation: trivial style cleanups 2013-05-17 12:09:21 -07:00
git-mergetool--lib.txt Documentation: the name of the system is 'Git', not 'git' 2013-02-01 13:53:33 -08:00
git-mergetool.txt documentation: trivial style cleanups 2013-05-17 12:09:21 -07:00
git-mktag.txt Documentation: the name of the system is 'Git', not 'git' 2013-02-01 13:53:33 -08:00
git-mktree.txt Documentation: use [verse] for SYNOPSIS sections 2011-07-06 14:26:26 -07:00
git-mv.txt Documentation: avoid poor-man's small caps GIT 2013-02-01 13:53:25 -08:00
git-name-rev.txt
git-notes.txt Doc notes: Include the format-patch --notes option 2012-10-25 06:15:56 -04:00
git-p4.txt Merge branch 'ta/doc-no-small-caps' 2013-02-05 16:13:32 -08:00
git-pack-objects.txt The name of the hash function is "SHA-1", not "SHA1" 2013-04-15 11:08:37 -07:00
git-pack-redundant.txt
git-pack-refs.txt
git-parse-remote.txt
git-patch-id.txt The name of the hash function is "SHA-1", not "SHA1" 2013-04-15 11:08:37 -07:00
git-peek-remote.txt
git-prune-packed.txt
git-prune.txt Documentation: use [verse] for SYNOPSIS sections 2011-07-06 14:26:26 -07:00
git-pull.txt Merge branch 'maint-1.8.1' into maint 2013-03-27 10:51:10 -07:00
git-push.txt documentation: trivial style cleanups 2013-05-17 12:09:21 -07:00
git-quiltimport.txt Documentation: the name of the system is 'Git', not 'git' 2013-02-01 13:53:33 -08:00
git-read-tree.txt Merge branch 'jh/fetch-head-update' 2012-01-06 12:44:01 -08:00
git-rebase.txt Documentation: the name of the system is 'Git', not 'git' 2013-02-01 13:53:33 -08:00
git-receive-pack.txt
git-reflog.txt Documentation: the name of the system is 'Git', not 'git' 2013-02-01 13:53:33 -08:00
git-relink.txt Documentation: use [verse] for SYNOPSIS sections 2011-07-06 14:26:26 -07:00
git-remote-ext.txt doc: various spelling fixes 2013-04-12 12:00:52 -07:00
git-remote-fd.txt Documentation: the name of the system is 'Git', not 'git' 2013-02-01 13:53:33 -08:00
git-remote-helpers.txto Rename {git- => git}remote-helpers.txt 2013-02-01 14:12:34 -08:00
git-remote-testgit.txt Merge branch 'jk/remote-helpers-doc' 2013-02-07 14:41:45 -08:00
git-remote.txt documentation: trivial style cleanups 2013-05-17 12:09:21 -07:00
git-repack.txt
git-replace.txt The name of the hash function is "SHA-1", not "SHA1" 2013-04-15 11:08:37 -07:00
git-repo-config.txt
git-request-pull.txt Documentation: use [verse] for SYNOPSIS sections 2011-07-06 14:26:26 -07:00
git-rerere.txt docs: stop using asciidoc no-inline-literal 2012-04-26 13:19:06 -07:00
git-reset.txt reset: update documentation to require only tree-ish with paths 2013-01-16 12:50:23 -08:00
git-rev-list.txt Documentation: the name of the system is 'Git', not 'git' 2013-02-01 13:53:33 -08:00
git-rev-parse.txt Merge branch 'ta/glossary' 2013-04-21 18:40:15 -07:00
git-revert.txt documentation: trivial style cleanups 2013-05-17 12:09:21 -07:00
git-rm.txt Merge branch 'jl/submodule-deinit' 2013-03-25 14:00:29 -07:00
git-send-email.txt send-email: make annotate configurable 2013-04-07 00:42:29 -07:00
git-send-pack.txt Documentation: the name of the system is 'Git', not 'git' 2013-02-01 13:53:33 -08:00
git-sh-i18n--envsubst.txt correct a few doubled-word nits in comments and documentation 2012-03-28 11:18:35 -07:00
git-sh-i18n.txt
git-sh-setup.txt mergetools/p4merge: create a base if none available 2013-03-13 10:46:07 -07:00
git-shell.txt shell: new no-interactive-login command to print a custom message 2013-03-09 23:21:35 -08:00
git-shortlog.txt git-shortlog.txt: make SYNOPSIS match log, update OPTIONS 2013-04-21 23:11:02 -07:00
git-show-branch.txt The name of the hash function is "SHA-1", not "SHA1" 2013-04-15 11:08:37 -07:00
git-show-index.txt The name of the hash function is "SHA-1", not "SHA1" 2013-04-15 11:08:37 -07:00
git-show-ref.txt The name of the hash function is "SHA-1", not "SHA1" 2013-04-15 11:08:37 -07:00
git-show.txt
git-stage.txt
git-stash.txt Documentation/git-stash.txt: add a missing verb 2012-12-10 08:18:25 -08:00
git-status.txt Merge branch 'tb/document-status-u-tradeoff' into maint 2013-04-01 09:19:30 -07:00
git-stripspace.txt Merge branch 'ta/doc-no-small-caps' 2013-02-05 16:13:32 -08:00
git-submodule.txt git-submodule.txt: Clarify 'init' and 'add' subcommands. 2013-05-16 12:01:31 -07:00
git-svn.txt git-svn: introduce --parents parameter for commands branch and tag 2013-05-20 22:05:54 +00:00
git-symbolic-ref.txt git symbolic-ref --delete $symref 2012-10-21 12:17:38 -07:00
git-tag.txt The name of the hash function is "SHA-1", not "SHA1" 2013-04-15 11:08:37 -07:00
git-tar-tree.txt docs: stop using asciidoc no-inline-literal 2012-04-26 13:19:06 -07:00
git-tools.txt doc: various spelling fixes 2013-04-12 12:00:52 -07:00
git-unpack-file.txt
git-unpack-objects.txt
git-update-index.txt documentation: trivial style cleanups 2013-05-17 12:09:21 -07:00
git-update-ref.txt Documentation: avoid poor-man's small caps GIT 2013-02-01 13:53:25 -08:00
git-update-server-info.txt
git-upload-archive.txt Documentation: the name of the system is 'Git', not 'git' 2013-02-01 13:53:33 -08:00
git-upload-pack.txt Documentation: the name of the system is 'Git', not 'git' 2013-02-01 13:53:33 -08:00
git-var.txt Documentation: the name of the system is 'Git', not 'git' 2013-02-01 13:53:33 -08:00
git-verify-pack.txt The name of the hash function is "SHA-1", not "SHA1" 2013-04-15 11:08:37 -07:00
git-verify-tag.txt The name of the hash function is "SHA-1", not "SHA1" 2013-04-15 11:08:37 -07:00
git-web--browse.txt Documentation: the name of the system is 'Git', not 'git' 2013-02-01 13:53:33 -08:00
git-whatchanged.txt Documentation: the name of the system is 'Git', not 'git' 2013-02-01 13:53:33 -08:00
git-write-tree.txt Documentation: use [verse] for SYNOPSIS sections 2011-07-06 14:26:26 -07:00
git.txt Git 1.8.2.3 2013-05-09 13:31:17 -07:00
gitattributes.txt Documentation: the name of the system is 'Git', not 'git' 2013-02-01 13:53:33 -08:00
gitcli.txt Merge branch 'gp/avoid-explicit-mention-of-dot-git-refs' into maint 2013-03-26 12:40:04 -07:00
gitcore-tutorial.txt The name of the hash function is "SHA-1", not "SHA1" 2013-04-15 11:08:37 -07:00
gitcredentials.txt Documentation: the name of the system is 'Git', not 'git' 2013-02-01 13:53:33 -08:00
gitcvs-migration.txt Documentation: the name of the system is 'Git', not 'git' 2013-02-01 13:53:33 -08:00
gitdiffcore.txt The name of the hash function is "SHA-1", not "SHA1" 2013-04-15 11:08:37 -07:00
gitglossary.txt Documentation: the name of the system is 'Git', not 'git' 2013-02-01 13:53:33 -08:00
githooks.txt The name of the hash function is "SHA-1", not "SHA1" 2013-04-15 11:08:37 -07:00
gitignore.txt Merge branch 'ta/doc-no-small-caps' 2013-02-05 16:13:32 -08:00
gitk.txt Documentation: the name of the system is 'Git', not 'git' 2013-02-01 13:53:33 -08:00
gitmodules.txt Documentation: the name of the system is 'Git', not 'git' 2013-02-01 13:53:33 -08:00
gitnamespaces.txt Documentation: the name of the system is 'Git', not 'git' 2013-02-01 13:53:33 -08:00
gitremote-helpers.txt transport-helper: add 'signed-tags' capability 2013-04-15 09:04:43 -07:00
gitrepository-layout.txt Merge branch 'nd/checkout-keep-sparse' 2013-04-22 11:11:40 -07:00
gitrevisions.txt Documentation: the name of the system is 'Git', not 'git' 2013-02-01 13:53:33 -08:00
gittutorial-2.txt The name of the hash function is "SHA-1", not "SHA1" 2013-04-15 11:08:37 -07:00
gittutorial.txt Documentation: the name of the system is 'Git', not 'git' 2013-02-01 13:53:33 -08:00
gitweb.conf.txt gitweb/INSTALL: GITWEB_CONFIG_SYSTEM is for backward compatibility 2013-04-17 15:18:12 -07:00
gitweb.txt Documentation: the name of the system is 'Git', not 'git' 2013-02-01 13:53:33 -08:00
gitworkflows.txt Documentation: the name of the system is 'Git', not 'git' 2013-02-01 13:53:33 -08:00
glossary-content.txt Merge branch 'jn/glossary-revision' 2013-04-26 15:28:23 -07:00
howto-index.sh Documentation: the name of the system is 'Git', not 'git' 2013-02-01 13:53:33 -08:00
i18n.txt Documentation: the name of the system is 'Git', not 'git' 2013-02-01 13:53:33 -08:00
install-doc-quick.sh
install-webdoc.sh
mailmap.txt Merge branch 'jk/mailmap-from-blob' 2013-01-05 23:41:42 -08:00
Makefile Merge branch 'da/mergetool-docs' 2013-02-07 14:42:16 -08:00
manpage-1.72.xsl Documentation: move quieting params into manpage-base.xsl 2009-03-27 00:33:19 -07:00
manpage-base-url.xsl.in Documentation: Avoid use of xmlto --stringparam 2009-12-05 10:03:49 -08:00
manpage-base.xsl
manpage-bold-literal.xsl Documentation: option to render literal text as bold for manpages 2009-03-27 00:33:20 -07:00
manpage-normal.xsl
manpage-quote-apos.xsl
manpage-suppress-sp.xsl Documentation: use "spurious .sp" XSLT if DOCBOOK_SUPPRESS_SP is set 2009-04-01 11:02:42 -07:00
merge-config.txt Merge branch 'da/mergetool-docs' 2013-02-07 14:42:16 -08:00
merge-options.txt Merge branch 'sg/gpg-sig' 2013-04-05 14:15:16 -07:00
merge-strategies.txt git-merge(1): document diff-algorithm option to merge-recursive 2013-04-05 10:57:23 -07:00
pretty-formats.txt Merge branch 'nd/pretty-formats' 2013-04-23 11:22:48 -07:00
pretty-options.txt Documentation: Document signature showing options 2012-09-20 10:28:51 -07:00
pull-fetch-param.txt
rev-list-options.txt Documentation: the name of the system is 'Git', not 'git' 2013-02-01 13:53:33 -08:00
revisions.txt Merge branch 'rr/shortlog-doc' 2013-04-26 15:28:39 -07:00
sequencer.txt
SubmittingPatches Documentation: the name of the system is 'Git', not 'git' 2013-02-01 13:53:33 -08:00
urls-remotes.txt Documentation: the name of the system is 'Git', not 'git' 2013-02-01 13:53:33 -08:00
urls.txt Merge branch 'jk/remote-helpers-doc' 2013-02-07 14:41:45 -08:00
user-manual.conf
user-manual.txt Merge branch 'wk/user-manual-literal-format' 2013-03-19 12:20:44 -07:00